HyukjinKwon opened a new pull request #31773: URL: https://github.com/apache/spark/pull/31773
### What changes were proposed in this pull request? Currently Binder link at Spark 3.1.1 (https://mybinder.org/v2/gh/apache/spark/v3.1.1-rc3?filepath=python%2Fdocs%2Fsource%2Fgetting_started%2Fquickstart.ipynb) shows `v3.1.1-rc3` like:  After the fix, it will shows the explicit hash:  Note that it is hash in order to make both dev and release easier. ### Why are the changes needed? To hide RC tags. ### Does this PR introduce _any_ user-facing change? It will just change the URL shown when Binder is being loaded. ### How was this patch tested? Manually tested: ```bash make clean html ```  ```bash git_hash=`git rev-parse --short HEAD` export GIT_HASH=$git_hash make clean html ```  ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
